This thread explains how to copper-braid a spring:
I have been meaning to do this post for a while, so here it finally is. How to add copper braid to a tail (or driver) spring. [image] This mod reduces the resistance of the spring significantly, especially steel springs. This may not make a big improvement on a brass spring, unless you plan to push some real serious current. J) OK, Here's what you need: [image] Tailcap with a spring in it (driver springs need love and attention too). Side-cutters Tweezers Copper braid, the type with no …
It’s important to make sure you don’t saturate the braid with solder though, or it won’t be flexible any more. It only takes a quick touch.